intersect area - Java 2D Graphics

Java examples for 2D Graphics:Area

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Description

intersect area

Demo Code

     /* w  w w  . java 2  s .  c om*/

import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Area;
import java.awt.geom.Ellipse2D;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class PE5 extends JFrame
{
     private static final long serialVersionUID = 6;

     public static void main(String arg[]) 
     {
         JFrame frame = new PE5();
         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
         frame.setSize(new Dimension(400,400));
         frame.pack();
         frame.setVisible(true);
       }
     
     public PE5()
     {
          JPanel panel = new DrawStuff();
          panel.setPreferredSize(new Dimension(400,400));
          add(panel);
     }
     
     class DrawStuff extends JPanel
     {
          private static final long serialVersionUID = -8;
          int nPoints = 1000;

          public DrawStuff()
          {
               
          }
          
           public void paintComponent(Graphics g) 
           {
                super.paintComponent(g);
                Graphics2D g2 = (Graphics2D)g;
                g2.translate(100,100);
                Ellipse2D.Double e1 = new Ellipse2D.Double(0, 0, 200, 100);
                Ellipse2D.Double e2 = new Ellipse2D.Double(50, 0, 200, 100);
                Ellipse2D.Double e3 = new Ellipse2D.Double(0, 0, 200, 100);
                Area a1 = new Area(e1);
                Area a2 = new Area(e2);
                Area a3 = new Area(e3);
                a3.intersect(a2);
                a1.exclusiveOr(a3);
                g2.fill(a1);
           }
     }
}

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